1 Syllable: S
2 Syllables: SU
abel, able, ablest, angel, april, baleful, baneful, basal, cable, changeful, cradle, cranial, fable, facial, faithful, fatal, fateful, gable, gainful, glacial, graceful, grateful, hateful, hazel, label, labelled, labels, ladle, mabel, maple, naples, nasal, natal, naval, navel, painful, papal, playful, rachel, racial, radial, raphael, sable, shameful, spatial, stable, staple, table, tasteful, wakeful, wasteful
2 Syllables: US
3 Syllables: USU
appraisal, archangel, disable, disdainful, disgraceful, distasteful, enable, palatial, prenatal, unable, unfaithful, ungrateful, unstable
Found 67 words across 4 groupings. Skipped 16 excess words of a similar stem.